/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraSystemViewModel.h
Set the system toolkit command list.
void SetToolkitCommands ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FUICommandList](API\Runtime\Slate\Framework\Commands\FUICommandList) > & InToolkitCommands )